[INFO] cloning repository https://github.com/servo/servo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/servo/servo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fservo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fservo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74f1eb199e67e82ff713f77f7803f02a25966628
[INFO] testing servo/servo against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fservo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/servo/servo on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/servo/servo
[INFO] finished tweaking git repo https://github.com/servo/servo
[INFO] tweaked toml for git repo https://github.com/servo/servo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/servo/servo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/servo/mio.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-windowing/winit.git`
[INFO] [stderr]     Updating git repository `https://github.com/jdm/webrender`
[INFO] [stderr]     Updating git repository `https://github.com/jdm/raqote`
[INFO] [stderr]     Updating git repository `https://github.com/servo/media`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webxr`
[INFO] [stderr]     Updating git repository `https://github.com/servo/devices`
[INFO] [stderr]     Updating git repository `https://github.com/servo/fontsan`
[INFO] [stderr]     Updating git submodule `https://github.com/khaledhosny/ots`
[INFO] [stderr]     Updating git submodule `https://github.com/google/brotli.git`
[INFO] [stderr]     Updating git submodule `https://github.com/hillbig/esaxx`
[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest.git`
[INFO] [stderr]     Updating git submodule `https://github.com/lz4/lz4.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/woff2.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/brotli.git`
[INFO] [stderr]     Updating git submodule `https://github.com/hillbig/esaxx`
[INFO] [stderr]     Updating git submodule `https://github.com/madler/zlib.git`
[INFO] [stderr]     Updating git repository `https://github.com/pcwalton/signpost.git`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-mozjs`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/naga`
[INFO] [stderr]     Updating git repository `https://github.com/servo/mozjs`
[INFO] [stderr]     Updating git repository `https://github.com/servo/openxrs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/KhronosGroup/OpenXR-SDK.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded input_buffer v0.3.1
[INFO] [stderr]   Downloaded loom v0.3.5
[INFO] [stderr]   Downloaded generator v0.6.25
[INFO] [stderr]   Downloaded shellwords v1.0.0
[INFO] [stderr]   Downloaded tokio-openssl v0.4.0
[INFO] [stderr]   Downloaded tinyfiledialogs v3.3.9
[INFO] [stderr]   Downloaded cbindgen v0.14.6
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[INFO] [stderr]   Downloaded sw-composite v0.7.14
[INFO] [stderr]   Downloaded getopts v0.2.17
[INFO] [stderr]   Downloaded ipc-channel v0.14.1
[INFO] [stderr]   Downloaded enum-iterator v0.3.1
[INFO] [stderr]   Downloaded gstreamer-audio-sys v0.8.1
[INFO] [stderr]   Downloaded byte-slice-cast v0.2.0
[INFO] [stderr]   Downloaded speexdsp-resampler v0.1.0
[INFO] [stderr]   Downloaded sparkle v0.1.25
[INFO] [stderr]   Downloaded markup5ever v0.10.1
[INFO] [stderr]   Downloaded gstreamer-player-sys v0.8.1
[INFO] [stderr]   Downloaded keyboard-types v0.5.0
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded cocoa v0.20.1
[INFO] [stderr]   Downloaded wayland-sys v0.24.1
[INFO] [stderr]   Downloaded enum-iterator-derive v0.3.1
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[INFO] [stderr]   Downloaded encoding_c_mem v0.2.6
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[INFO] [stderr]   Downloaded muldiv v0.2.1
[INFO] [stderr]   Downloaded glib-sys v0.9.1
[INFO] [stderr]   Downloaded servo-fontconfig v0.5.0
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.1
[INFO] [stderr]   Downloaded gstreamer-video-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.8.1
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[INFO] [stderr]   Downloaded metal v0.18.0
[INFO] [stderr]   Downloaded cssparser v0.28.1
[INFO] [stderr]   Downloaded gstreamer-sys v0.8.1
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[INFO] [stderr]   Downloaded lyon_geom v0.15.0
[INFO] [stderr]   Downloaded gstreamer-player v0.15.5
[INFO] [stderr]   Downloaded async-tungstenite v0.7.1
[INFO] [stderr]   Downloaded gstreamer-sdp v0.15.6
[INFO] [stderr]   Downloaded gstreamer-webrtc-sys v0.8.1
[INFO] [stderr]   Downloaded data-url v0.1.0
[INFO] [stderr]   Downloaded io-surface v0.12.1
[INFO] [stderr]   Downloaded gstreamer-gl v0.15.0
[INFO] [stderr]   Downloaded gleam v0.12.1
[INFO] [stderr]   Downloaded glib v0.9.3
[INFO] [stderr]   Downloaded ref_filter_map v1.0.1
[INFO] [stderr]   Downloaded svg_fmt v0.4.0
[INFO] [stderr]   Downloaded tracing v0.1.15
[INFO] [stderr]   Downloaded rand_isaac v0.2.0
[INFO] [stderr]   Downloaded truetype v0.30.1
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.1
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[INFO] [stderr]   Downloaded ucd v0.1.1
[INFO] [stderr]   Downloaded brotli v3.3.0
[INFO] [stderr]   Downloaded fs_extra v1.1.0
[INFO] [stderr]   Downloaded procedural-masquerade v0.1.7
[INFO] [stderr]   Downloaded encoding_c v0.9.7
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[INFO] [stderr]   Downloaded gstreamer-video v0.15.7
[INFO] [stderr]   Downloaded gstreamer-audio v0.15.7
[INFO] [stderr]   Downloaded headers-core v0.1.1
[INFO] [stderr]   Downloaded headers v0.2.3
[INFO] [stderr]   Downloaded display-link v0.2.0
[INFO] [stderr]   Downloaded image v0.23.10
[INFO] [stderr]   Downloaded surfman v0.4.1
[INFO] [stderr]   Downloaded gstreamer v0.15.7
[INFO] [stderr]   Downloaded once_cell v1.6.0
[INFO] [stderr]   Downloaded weezl v0.1.4
[INFO] [stderr]   Downloaded hyper_serde v0.11.1
[INFO] [stderr]   Downloaded ident_case v1.0.0
[INFO] [stderr]   Downloaded smallbitvec v2.5.0
[INFO] [stderr]   Downloaded surfman-chains v0.6.0
[INFO] [stderr]   Downloaded cfg_aliases v0.1.0
[INFO] [stderr]   Downloaded swapper v0.1.0
[INFO] [stderr]   Downloaded warp v0.1.22
[INFO] [stderr]   Downloaded webdriver v0.40.1
[INFO] [stderr]   Downloaded uluru v2.1.1
[INFO] [stderr]   Downloaded derive_more v0.99.7
[INFO] [stderr]   Downloaded accountable-refcell v0.2.0
[INFO] [stderr]   Downloaded base64 v0.12.0
[INFO] [stderr]   Downloaded tracing-core v0.1.10
[INFO] [stderr]   Downloaded urlencoding v1.3.3
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.6.17
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.2
[INFO] [stderr]   Downloaded net2 v0.2.36
[INFO] [stderr]   Downloaded serde_bytes v0.11.2
[INFO] [stderr]   Downloaded opaque-debug v0.2.1
[INFO] [stderr]   Downloaded gst-plugin-version-helper v0.2.0
[INFO] [stderr]   Downloaded unwind-sys v0.1.1
[INFO] [stderr]   Downloaded gaol v0.2.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.0
[INFO] [stderr]   Downloaded winres v0.1.11
[INFO] [stderr]   Downloaded histogram v0.6.9
[INFO] [stderr]   Downloaded hyper-openssl v0.7.1
[INFO] [stderr]   Downloaded libflate v0.1.26
[INFO] [stderr]   Downloaded gstreamer-app-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-app v0.15.6
[INFO] [stderr]   Downloaded array-init v0.1.1
[INFO] [stderr]   Downloaded tungstenite v0.11.1
[INFO] [stderr]   Downloaded gstreamer-base v0.15.4
[INFO] [stderr]   Downloaded content-security-policy v0.4.2
[INFO] [stderr]   Downloaded mitochondria v1.1.2
[INFO] [stderr]   Downloaded bumpalo v3.3.0
[INFO] [stderr]   Downloaded harfbuzz-sys v0.5.0
[INFO] [stderr]   Downloaded blurz v0.3.0
[INFO] [stderr]   Downloaded blurmock v0.1.3
[INFO] [stderr]   Downloaded rayon_croissant v0.2.0
[INFO] [stderr]   Downloaded android_injected_glue v0.2.3
[INFO] [stderr]   Downloaded moite_moite v0.2.0
[INFO] [stderr]   Downloaded leak v0.1.2
[INFO] [stderr]   Downloaded cstr-macros v0.1.6
[INFO] [stderr]   Downloaded d3d12 v0.3.0
[INFO] [stderr]   Downloaded blurdroid v0.1.6
[INFO] [stderr]   Downloaded gleam v0.7.0
[INFO] [stderr]   Downloaded leaky-cow v0.1.1
[INFO] [stderr]   Downloaded surfman-chains-api v0.2.0
[INFO] [stderr]   Downloaded mozangle v0.2.7
[INFO] [stderr]   Downloaded tokio-openssl v0.3.0
[INFO] [stderr]   Downloaded libloading v0.6.1
[INFO] [stderr]   Downloaded gstreamer-gl-sys v0.8.1
[INFO] [stderr]   Downloaded servo-egl v0.2.1
[INFO] [stderr]   Downloaded immeta v0.4.0
[INFO] [stderr]   Downloaded gvr-sys v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af70910d3ec00cab63e07a51df27a70378903e026a30c885e8656efd87e3daeb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "af70910d3ec00cab63e07a51df27a70378903e026a30c885e8656efd87e3daeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af70910d3ec00cab63e07a51df27a70378903e026a30c885e8656efd87e3daeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af70910d3ec00cab63e07a51df27a70378903e026a30c885e8656efd87e3daeb", kill_on_drop: false }`
[INFO] [stdout] af70910d3ec00cab63e07a51df27a70378903e026a30c885e8656efd87e3daeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1765cffbf312059c6f28bd2322f7d4b47be481c6810fa8d3ca1eaa3233f8eb78
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1765cffbf312059c6f28bd2322f7d4b47be481c6810fa8d3ca1eaa3233f8eb78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The lib target `layout` in package `layout_2020 v0.0.1 (/opt/rustwide/workdir/components/layout_2020)` has the same output filename as the lib target `layout` in package `layout_2013 v0.0.1 (/opt/rustwide/workdir/components/layout)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/liblayout.rlib
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The lib target `layout_thread` in package `layout_thread_2020 v0.0.1 (/opt/rustwide/workdir/components/layout_thread_2020)` has the same output filename as the lib target `layout_thread` in package `layout_thread_2013 v0.0.1 (/opt/rustwide/workdir/components/layout_thread)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/liblayout_thread.rlib
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The lib target `simpleservo` in package `simpleservo_jniapi v0.0.1 (/opt/rustwide/workdir/ports/libsimpleservo/jniapi)` has the same output filename as the lib target `simpleservo` in package `simpleservo_capi v0.0.1 (/opt/rustwide/workdir/ports/libsimpleservo/capi)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/deps/libsimpleservo.so
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The lib target `simpleservo` in package `simpleservo_jniapi v0.0.1 (/opt/rustwide/workdir/ports/libsimpleservo/jniapi)` has the same output filename as the lib target `simpleservo` in package `simpleservo_capi v0.0.1 (/opt/rustwide/workdir/ports/libsimpleservo/capi)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/libsimpleservo.so
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling smallbitvec v2.5.0
[INFO] [stderr]    Compiling libloading v0.6.1
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling cfg_aliases v0.1.0
[INFO] [stderr]    Compiling once_cell v1.6.0
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling signpost v0.1.0 (https://github.com/pcwalton/signpost.git#7ed71250)
[INFO] [stderr]    Compiling servo-media-traits v0.1.0 (https://github.com/servo/media#b23e7228)
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling speexdsp-resampler v0.1.0
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling byte-slice-cast v0.2.0
[INFO] [stderr]    Compiling urlencoding v1.3.3
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling encoding_c v0.9.7
[INFO] [stderr]    Compiling unicode-script v0.5.2
[INFO] [stderr]    Compiling ucd v0.1.1
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling encoding_c_mem v0.2.6
[INFO] [stderr]    Compiling winit v0.24.0 (https://github.com/rust-windowing/winit.git?rev=4192d04a53202c199f94d1b7d883a34c9ad09272#4192d04a)
[INFO] [stderr]    Compiling surfman-chains-api v0.2.0
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling binary-space-partition v0.1.2
[INFO] [stderr]    Compiling script_plugins v0.0.1 (/opt/rustwide/workdir/components/script_plugins)
[INFO] [stderr]    Compiling tracy-rs v0.1.2
[INFO] [stderr]    Compiling sw-composite v0.7.14
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling svg_fmt v0.4.0
[INFO] [stderr]    Compiling mitochondria v1.1.2
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]   --> components/script_plugins/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_ast;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `script_plugins` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1765cffbf312059c6f28bd2322f7d4b47be481c6810fa8d3ca1eaa3233f8eb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1765cffbf312059c6f28bd2322f7d4b47be481c6810fa8d3ca1eaa3233f8eb78", kill_on_drop: false }`
[INFO] [stdout] 1765cffbf312059c6f28bd2322f7d4b47be481c6810fa8d3ca1eaa3233f8eb78